471
FNUS74 KMRX 301142
FWSMRX
SPOT FORECAST FOR GRAYSON RX 0225-2026...TENNESSEE DIVISION OF FORESTRY
NATIONAL WEATHER SERVICE MORRISTOWN TN
742 AM EDT MON MAR 30 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON MARCH 30.
IF CONDITIONS BECOME UNREPRESENTATIVE,CONTACT THE NATIONAL WEATHER
SERVICE...AT 1-800-697-0075. IF POSSIBLE, PLEASE PROVIDE FEEDBACK
FOR EVERY SPOT FORECAST REQUEST.
DISCUSSION
WARMER TEMPERATURES AND SOUTHERLY WINDS ARE EXPECTED TODAY AND
IT WILL BE WARM. RELATIVE HUMIDITY VALUES WILL ALSO BE
HIGHER THAN IN RECENT DAYS. MOST PLACES WILL STAY DRY TODAY.
WARMER TEMPERATURES AND INCREASING RAIN CHANCES ARE EXPECTED IN
THE COMING DAYS.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT).
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........AROUND 50 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 10 MPH WITH
GUSTS TO AROUND 18 MPH IN THE LATE MORNING AND
AFTERNOON.
MIXING HEIGHT.......4300 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 14 MPH INCREASING TO 17 TO 20 MPH
IN THE LATE MORNING AND AFTERNOON.
RAINFALL AMOUNT.....0.00 INCHES.
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........59 59 63 74 76 71 71 73 68 70
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............53 54 58 61 63 66 68 70 71 71
RH..............83 84 76 70 66 62 58 54 51 51
20 FT WIND DIR..S S S S S S S S S S
20 FT WIND SPD..4 5 5 6 6 6 8 9 7 6
20 FT WIND GUST.11 12 14 14 16 17 18 18 15 14
MIX HGT (KFT)...1.1 1.3 2.3 2.8 3.2 3.6 4.0 4.2 4.3 4.1
TRANSP WIND DIR.S SW S S S S S S S S
TRANSP WIND SPD.10 14 20 20 18 18 17 18 20 20
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT).
MIN TEMPERATURE.....AROUND 57.
MAX HUMIDITY........AROUND 95 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....SOUTH 12 TO 18 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........60 63 54 50 34 35 34 40 44 41 42 53
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............72 70 67 64 63 62 61 60 59 58 58 58
RH..............50 55 61 69 72 76 79 83 87 90 90 90
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..6 6 5 5 5 4 4 4 3 3 4 4
20 FT WIND GUST.14 14 13 12 12 12 11 11 10 11 11 12
MIX HGT (KFT)...3.4 2.3 1.3 1.0 1.1 1.2 1.2 1.1 1.1 1.0 1.1 1.0
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.18 17 13 12 13 14 13 13 13 13 13 13
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........AROUND 48 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 10 MPH WITH
GUSTS TO AROUND 18 MPH IN THE LATE MORNING AND
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR ANY THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......5600 FT AGL.
TRANSPORT WINDS.....SOUTH 12 TO 20 MPH SHIFTING TO THE SOUTHWEST 22
TO 23 MPH IN THE AFTERNOON.
RAINFALL AMOUNT.....0.00 INCHES.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........52 59 60 55 55 54 52 51 49 49 50 50
WEATHER COV..... SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW
TSTM COV........ SCH SCH SCH SCH
TEMP............58 58 57 60 64 68 71 74 76 78 79 79
RH..............93 93 95 86 78 72 67 61 56 52 50 48
20 FT WIND DIR..S S S S S S S SW SW SW S S
20 FT WIND SPD..4 4 4 5 6 6 7 8 9 8 8 8
20 FT WIND GUST.12 11 11 13 14 16 17 18 18 18 18 17
MIX HGT (KFT)...1.0 1.1 1.1 1.7 2.2 2.8 3.4 4.0 4.5 5.2 5.6 5.5
TRANSP WIND DIR.S S S S S S SW SW SW SW SW SW
TRANSP WIND SPD.12 12 13 16 17 18 20 22 23 23 23 22
FORECASTER...LYLE WILSON
REQUESTED BY...W. BROOKE COUCH
TYPE OF REQUEST...PRESCRIBED
.TAG 2608483.0/MRX
.DELDT 03/30/26
.FORMATTERVERSION 2.0.0
.EMAIL BROOKE.COUCH@TN.GOV
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